Do goldfish need to be oxygenated when the weather is cold?

Goldfish belong to a temperature-changing animal, and will adjust its temperature according to the water temperature. When the weather turns cold, you will reduce your activity and eat less, but you don't need to increase oxygen. Because of the decline in metabolism, the requirements for oxygen and water quality are reduced, but we must pay attention to the fact that water cannot freeze. If goldfish grow faster, you can turn to indoor lighting, raise the temperature and continue feeding. Then, after a winter feeding,